Implemented proper logging and added more log messages

logging.go

@@ -0,0 +1,48 @@
+// Copyright (c) 2023 Julian Müller (ChaoticByte)
+
+package main
+
+import (
+	"log"
+	"os"
+)
+
+type Logger struct {
+	LogLevel int
+	ErrorLogger *log.Logger		// 0
+	WarningLogger *log.Logger	// 1
+	InfoLogger *log.Logger		// 2
+	DebugLogger *log.Logger		// 3
+}
+
+func (l *Logger) error(msg any) {
+	l.ErrorLogger.Println(msg)
+}
+
+func (l *Logger) warn(msg any) {
+	if l.LogLevel >= 1 {
+		l.WarningLogger.Println(msg)
+	}
+}
+
+func (l *Logger) info(msg any) {
+	if l.LogLevel >= 2 {
+		l.InfoLogger.Println(msg)
+	}
+}
+
+func (l *Logger) debug(msg any) {
+	if l.LogLevel >= 3 {
+		l.DebugLogger.Println(msg)
+	}
+}
+
+func NewLogger(loglevel int) Logger {
+	l := Logger{}
+	l.LogLevel = loglevel
+	l.ErrorLogger 	= log.New(os.Stderr, "ERROR ", log.Ldate|log.Ltime|log.Lmicroseconds|log.Lshortfile)
+	l.WarningLogger = log.New(os.Stderr, "WARN  ", log.Ldate|log.Ltime|log.Lmicroseconds|log.Lshortfile)
+	l.InfoLogger 	= log.New(os.Stderr, "INFO  ", log.Ldate|log.Ltime|log.Lmicroseconds)
+	l.DebugLogger 	= log.New(os.Stderr, "DEBUG ", log.Ldate|log.Ltime|log.Lmicroseconds)
+	return l
+}